[INFO] cloning repository https://github.com/hopfenspace/fake_mc_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hopfenspace/fake_mc_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhopfenspace%2Ffake_mc_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhopfenspace%2Ffake_mc_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0dd2c90dfe1f8440296b20964402205fd2c9627b
[INFO] checking hopfenspace/fake_mc_server against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhopfenspace%2Ffake_mc_server" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hopfenspace/fake_mc_server on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hopfenspace/fake_mc_server
[INFO] finished tweaking git repo https://github.com/hopfenspace/fake_mc_server
[INFO] tweaked toml for git repo https://github.com/hopfenspace/fake_mc_server written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/hopfenspace/fake_mc_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea868d68ca9427d218c05bf14541f868e2c453da2b7eb122600632a49fa3f9b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea868d68ca9427d218c05bf14541f868e2c453da2b7eb122600632a49fa3f9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea868d68ca9427d218c05bf14541f868e2c453da2b7eb122600632a49fa3f9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea868d68ca9427d218c05bf14541f868e2c453da2b7eb122600632a49fa3f9b8", kill_on_drop: false }`
[INFO] [stdout] ea868d68ca9427d218c05bf14541f868e2c453da2b7eb122600632a49fa3f9b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1751ffd43ede87df2ebc04af3db14329bfe4641f6a8d990b4e3cff783f068468
[INFO] running `Command { std: "docker" "start" "-a" "1751ffd43ede87df2ebc04af3db14329bfe4641f6a8d990b4e3cff783f068468", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]     Checking netbuf v0.4.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking ozelot v0.8.0
[INFO] [stderr]     Checking fake_mc_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.24s
[INFO] running `Command { std: "docker" "inspect" "1751ffd43ede87df2ebc04af3db14329bfe4641f6a8d990b4e3cff783f068468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1751ffd43ede87df2ebc04af3db14329bfe4641f6a8d990b4e3cff783f068468", kill_on_drop: false }`
[INFO] [stdout] 1751ffd43ede87df2ebc04af3db14329bfe4641f6a8d990b4e3cff783f068468